38 lines
1.1 KiB
Rust
38 lines
1.1 KiB
Rust
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// compile-flags: -C no-prepopulate-passes
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#![crate_type = "lib"]
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pub enum E {
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A,
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B,
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}
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// CHECK-LABEL: @exhaustive_match
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#[no_mangle]
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pub fn exhaustive_match(e: E, unit: ()) {
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// CHECK: switch{{.*}}, label %[[OTHERWISE:[a-zA-Z0-9_]+]] [
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// CHECK-NEXT: i[[TY:[0-9]+]] [[DISCR:[0-9]+]], label %[[A:[a-zA-Z0-9_]+]]
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// CHECK-NEXT: i[[TY:[0-9]+]] [[DISCR:[0-9]+]], label %[[B:[a-zA-Z0-9_]+]]
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// CHECK-NEXT: ]
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// CHECK: [[A]]:
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// CHECK-NEXT: br label %[[EXIT:[a-zA-Z0-9_]+]]
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// CHECK: [[B]]:
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// CHECK-NEXT: br label %[[EXIT:[a-zA-Z0-9_]+]]
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// CHECK: [[OTHERWISE]]:
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// CHECK-NEXT: unreachable
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match e {
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E::A => unit,
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E::B => unit,
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}
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}
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